If you have a gas fireplace with an electric ignition and you’re experiencing a power outage, you will need to light your fireplace’s pilot manually before you can start a fire. The instructions should be in the manufacturer’s manual.

If your gas fireplace is vented through a chimney, a chimney cap is highly recommended. While not all gas fireplaces require a traditional chimney, for those that use one, a cap provides several key benefits. It prevents rain, debris, and animals from entering the chimney, which can cause blockages or damage. A cap also helps prevent downdrafts that could push harmful gases like carbon monoxide back into your home. When installing a cap, ensure it is appropriate for a gas fireplace and does not restrict proper ventilation.

Chimney liners often benefit from insulation, though it is not always required. Insulation helps improve the liner's efficiency by keeping flue gasses hotter, which enhances draft and reduces creosote buildup. It also prevents condensation, which can lead to corrosion. Insulation is important for chimneys on exterior walls or in colder climates. Some building codes may require insulation, so checking local regulations is essential.

You shouldn’t remove a fireplace yourself. Before beginning this job, you’d need to know whether or not you have a load-bearing fireplace. To do that, you’d need help from a structural engineer. Plus, fireplace removals require permits and often involve working with gas lines or electricity, which can be dangerous. For all of these reasons, it’s best to hire a pro for this project.